Technology for liquid-nitrogen-cooled computers
- 1 January 1987
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices
- Vol. 34 (1) , 4-7
- https://doi.org/10.1109/T-ED.1987.22879
Abstract
Computers requiring 1 to 400 W of refrigeration at 78 K can use standard commercial Gifford-McMahon-type refrigerators similar to those being produced for cryopumps. The computer elements would be immersed in a liquid-nitrogen bath in which heat transfer between the circuit elements and the bath can carry away 5 W/cm2. The elements would operate very near the 78-K bath temperature. Vapors from the boiling liquid would be recondensed on the cold refrigerator, located above the bath, and would fall back into the bath. For smaller computers, simple Joule-Thomson refrigerators could be developed. For larger refrigerators, reverse Brayton cycle refrigerators could be developed.Keywords
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